Once you understand how credit cards work, you also must know how to credit card crime prevention. Each credit card issuer has a credit card terms and policies and regulations. As the credit card holder, you must know the terms and policy.

Be careful in using your credit card. Do not lend your credit card to anyone, notify the credit card number and PIN to someone else or put a credit card transaction slip arbitrarily.

Here are tips for you to avoid credit card fraud or theft:
- Save your credit card in a safe place.
- Do not give your credit card number over the phone unless you are making phone calls.
- Use a card that has a security feature.
- Circle the total purchases on the transaction slip to prevent the misuse of changes in the value of the total bill.
- Never sign a blank transaction slip.
- Keep well your transaction slip. Always compare the transaction slip with your monthly bill. If there are discrepancies or errors, please report immediately in the period in accordance with the regulation of credit card issuers concerned.
- Record the card number, expiration date and telephone number of the card issuer. Save this data in a safe place separate from your card. Use if necessary, for example, to report fraud or loss.
- Never record your credit card number and put it in any place.
- Never note the PIN number on your credit card or store it in the wallet.
- Take the card that needed it, especially when traveling.

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How Credit Cards Work
Credit cards are the most common type of loan applied for and used by people. Credit cards are one tool in managing the finances that gives you easy if managed properly. Know and understand the terms and conditions apply. If you already know how it works, surely you can control your finances better.

Credit Limit
If your credit card application is approved, the credit card issuer will determine the credit limit of your card. Credit limit is the maximum amount that you can use in dealing with the use of the card. Each credit card issuers have different policies in determining the credit limit on each credit card issued.

The things that affect the determination of credit limits, among others:

- Monthly Income
- Current loans (other than credit cards, car loans, etc.)
- Long lived at the address now
- Home ownership
- The number of credit card application has ever done
- The number of credits required

You can request your credit card issuer to raise your credit card limit.

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